81275250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 235602432

約数和(自身を除く): 154327182

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 113, 125, 137, 150, 175, 210, 226, 250, 274, 339, 350, 375, 411, 525, 565, 678, 685, 750, 791, 822, 875, 959, 1050, 1130, 1370, 1582, 1695, 1750, 1918, 2055, 2373, 2625, 2825, 2877, 3390, 3425, 3955, 4110, 4746, 4795, 5250, 5650, 5754, 6850, 7910, 8475, 9590, 10275, 11865, 14125, 14385, 15481, 16950, 17125, 19775, 20550, 23730, 23975, 28250, 28770, 30962, 34250, 39550, 42375, 46443, 47950, 51375, 59325, 71925, 77405, 84750, 92886, 98875, 102750, 108367, 118650, 119875, 143850, 154810, 197750, 216734, 232215, 239750, 296625, 325101, 359625, 387025, 464430, 541835, 593250, 650202, 719250, 774050, 1083670, 1161075, 1625505, 1935125, 2322150, 2709175, 3251010, 3870250, 5418350, 5805375, 8127525, 11610750, 13545875, 16255050, 27091750, 40637625, 81275250]

約数ペア:

[(1, 81275250), (2, 40637625), (3, 27091750), (5, 16255050), (6, 13545875), (7, 11610750), (10, 8127525), (14, 5805375), (15, 5418350), (21, 3870250), (25, 3251010), (30, 2709175), (35, 2322150), (42, 1935125), (50, 1625505), (70, 1161075), (75, 1083670), (105, 774050), (113, 719250), (125, 650202), (137, 593250), (150, 541835), (175, 464430), (210, 387025), (226, 359625), (250, 325101), (274, 296625), (339, 239750), (350, 232215), (375, 216734), (411, 197750), (525, 154810), (565, 143850), (678, 119875), (685, 118650), (750, 108367), (791, 102750), (822, 98875), (875, 92886), (959, 84750), (1050, 77405), (1130, 71925), (1370, 59325), (1582, 51375), (1695, 47950), (1750, 46443), (1918, 42375), (2055, 39550), (2373, 34250), (2625, 30962), (2825, 28770), (2877, 28250), (3390, 23975), (3425, 23730), (3955, 20550), (4110, 19775), (4746, 17125), (4795, 16950), (5250, 15481), (5650, 14385), (5754, 14125), (6850, 11865), (7910, 10275), (8475, 9590)]